Paul Graham
@paulg · 25 avr. 2023
When I was a kid, I genuinely believed this was where we'd all be living by now. Do kids today have some sci-fi vision of the future, or was that just my generation?
Elon Musk
@elonmusk
The mass & difficulty required to build a space habitat like that is extreme. Far better to have a base on the moon & city on Mars.
19:21 · 25 avril 2023 · 3,1 M vues
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